MORTGAGE ASSET SECURITIZATION TRANSACTIONS, INC. MASTR Asset-Backed Securities Trust 2007-HE1 Mortgage Pass-Through Certificates UNDERWRITING AGREEMENTUnderwriting Agreement • June 18th, 2007 • MASTR Asset Backed Securities Trust 2007-He1 • Asset-backed securities • New York
Contract Type FiledJune 18th, 2007 Company Industry Jurisdiction